Towards reliable seismic fragility assessment of highway bridges with oblong columns considering the drift-based capacity directionality effect

S Song, Y Xie - Engineering Structures, 2024 - Elsevier
Highway bridges in seismic zones are commonly designed with oblong columns, featuring
different force-displacement relationships and seismic capacities along different response …

Experimental fragility curves for seismic response of reinforced concrete bridge columns

A Vosooghi, MS Saiidi - ACI Structural Journal, 2012 - search.proquest.com
Data from 32 bridge column models mostly tested on shake tables were used to develop
fragility curves for six seismic response parameters at five apparent damage states (DSs) …

Cyclic behavior of reinforced concrete columns with five-spiral reinforcement

YC Ou, JVJ Lau, JY Li, P Havlasek, Z Bittnar - Journal of Building …, 2022 - Elsevier
Multi-spiral transverse reinforcement has been shown to provide superior seismic
performance than conventional rectilinear tie reinforcement. This research intends to …

New configuration of transverse reinforcement for improved seismic resistance of rectangular RC columns: Concept and axial compressive behavior

DH Jing, T Yu, XD Liu - Engineering Structures, 2016 - Elsevier
Columns are considered to be critical members of moment-resisting structural systems. In
seismically active regions, it is important to improve the ductile deformation capacity and …

Shear strength of reinforced concrete columns with five-spiral reinforcement

YC Ou, JY Li, H Roh - Engineering Structures, 2021 - Elsevier
Five-spiral transverse reinforcement for square reinforced concrete columns has been
proven to possess a confinement capability superior to that of conventional rectilinear tie …

Repair of RC bridge columns with interlocking spirals and fractured longitudinal bars–An experimental study

Y Yang, LH Sneed, A Morgan, MS Saiidi… - Construction and Building …, 2015 - Elsevier
A technique to repair reinforced concrete (RC) bridge columns containing interlocking
spirals and having buckled and/or fractured longitudinal bars was assessed through …

Plastic hinge length of reinforced concrete columns subjected to both far‐fault and near‐fault ground motions having forward directivity

A Mortezaei, HR Ronagh - The Structural Design of Tall and …, 2013 - Wiley Online Library
In a strong earthquake, a standard reinforced concrete (RC) column may develop plastic
deformations in regions often termed as plastic hinge regions. A plastic hinge is basically an …

Seismic fragility curves for California concrete bridges with flared two-column bents

JS Jeon, S Mangalathu, SY Lee - Bulletin of earthquake engineering, 2019 - Springer
The increased aesthetic appeal of columns with flares resulted in bridge configurations with
flared columns during the 1970–1990 design periods in California. Earthquake …

Seismic damage states and response parameters for bridge columns

A Vosooghi, MS Saiidi - Special Publication, 2010 - concrete.org
Seismic Damage States and Response Parameters for Bridge Columns Search Subscribe
to Email ​▼ Membership Membership In today’s market, it is imperative to be …

Seismic performance of large-scale rectangular reinforced concrete bridge columns with multi-spiral reinforcement

PH Wang, KC Chang, SYL Yin, JC Wang… - Earthquake …, 2023 - journals.sagepub.com
Multi-spiral rectangular column is composed of two central interlocking large spirals that are
interlocked with four small spirals in the corners to match a rectangular cross-section …